Search a number
-
+
145472510 = 25412691319
BaseRepresentation
bin10001010101110…
…11101111111110
3101010201202202202
420222323233332
5244220110020
622233551502
73414332051
oct1052735776
9333652682
10145472510
117512a717
1240875592
13241a5211
141546aa98
15cb87e75
hex8abbbfe

145472510 has 32 divisors (see below), whose sum is σ = 269438400. Its totient is φ = 56515840.

The previous prime is 145472501. The next prime is 145472521. The reversal of 145472510 is 15274541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109631 + ... + 110949.

It is an arithmetic number, because the mean of its divisors is an integer number (8419950).

Almost surely, 2145472510 is an apocalyptic number.

145472510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145472510 is a deficient number, since it is larger than the sum of its proper divisors (123965890).

145472510 is a wasteful number, since it uses less digits than its factorization.

145472510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 145472510 is about 12061.1985308260. The cubic root of 145472510 is about 525.9288289157.

The spelling of 145472510 in words is "one hundred forty-five million, four hundred seventy-two thousand, five hundred ten".

Divisors: 1 2 5 10 41 82 205 269 410 538 1319 1345 2638 2690 6595 11029 13190 22058 54079 55145 108158 110290 270395 354811 540790 709622 1774055 3548110 14547251 29094502 72736255 145472510